ISEE Upper Level Math : How to find an angle in a hexagon

Study concepts, example questions & explanations for ISEE Upper Level Math

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Example Questions

Example Question #3 : Plane Geometry

If the sum of  angles in a hexagon is equal to , what is the value of the remaining sixth angle?

Possible Answers:

Correct answer:


The sum of the angles in a polygon can be found using the equation below, in which t is equal to the total sum of the angles, and n is equal to the number of sides. 

Given that a hexagon has 6 angles, the total number of angles will be:

Given that 5 of the angles have a sum of 650 degrees, we would subtract 650 from 720, resulting in 70 degrees. 

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